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Time-dependent perturbation theory for diffusive non-equilibrium lattice models

I Jensen and R Dickman

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The authors recently presented a perturbation theory for the asymptotic survival probability of an interacting particle system which can become trapped in an absorbing state. They extend the method to a simple diffusive model. Analysis of the resulting series shows that diffusion is an irrelevant perturbation, i.e. it does not change the critical behaviour. Quantitative predictions of the phase boundary are confirmed by results of Monte Carlo simulations.


PACS

05.60.-k Transport processes

05.50.+q Lattice theory and statistics (Ising, Potts, etc.)

64.60.Ht Dynamic critical phenomena

05.10.Ln Monte Carlo methods

MSC

82C80 Numerical methods (Monte Carlo, series resummation, etc.)

82C22 Interacting particle systems (See also 60K35)

82C27 Dynamic critical phenomena

82C20 Dynamic lattice systems (kinetic Ising, etc.) and systems on graphs

Subjects

Computational physics

Condensed matter: structural, mechanical & thermal

Statistical physics and nonlinear systems

Dates

Issue 4 (21 February 1993)



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